植物激素越来越受到人们的青睐,生产上已普遍使用,但如果使用不当,则增产效果不佳,甚至造成药害.因此,施用植物激素时须注意以下五点:1.注意施用时期.同一植物激素施用于同一作物的不同生育期,会产生不同的效果.施药的时期应从施用的目的考虑.如水稻分蘖盛期或末期施 Plant hormones are more and more favored by the people and are widely used in production. However, if used improperly, the yield will not be good and even cause injury. Therefore, the following five points should be taken when applying plant hormones: 1. Pay attention to the period of application. The same plant hormones applied to the same crop of different growth stages, will produce different effects. Application period should be considered from the purpose of the application, such as rice tillering period or the end of Shi Shi